Water Quality in Superior, WI
65 water systems serving 29,176 people
City Overview
Average lead detection across Superior water systems is 3.1 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 1287 |
| Health-based violations | 246 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Superior
Frequently Asked Questions
Is Superior tap water safe to drink?
Superior tap water meets EPA standards for most contaminants. Review the individual water system pages below for the latest lead sample results and violation history.
What is the water quality in Superior, Wisconsin?
Superior has 65 public water systems serving approximately 29,176 people. The average lead level across sampled systems is 3.1 ppb. There are 1287 total violations on record.
Does Superior have lead in the water?
EPA monitoring data shows an average lead detection of 3.1 ppb across Superior's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Superior?
65 public water systems are registered in Superior, Wisconsin with the EPA Safe Drinking Water Information System. Together they serve approximately 29,176 people.